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Libra 3

Multi-function Energy Meter

Key Features

Available forms: 1S, 2S, 3S, 4S, 5S, 8/9S, 12S and 15/16S

Comply with ANSI C12.20 and GWH0034, GWH0009, G0005, G0048

Voltage/Current: 120V-480V (±30%) / CT:CL20A, SC:CL100/200A

Accuracy: CA 0.2/CA 0.5

Highly tamper-proof and replaceable battery outside meter cover

Harmonic analysis and power quality measurement

Firmware upgrade via local port as well as OTA

Up to 20 blocks of self-reading data

WAN Modules: RS485/232, RF, PLC, Cellular, Eth. & Trilliant OSDI

Comply with protocols: ANSI C12.18, C12.19 and C12.22

Libra 3

Main Functions

     Event Logs

     Tamper detection (meter cover open, current reverse, replay attack and …) 
     Self-diagnosis failure (memory error, measurement system error, battery voltage low and …)
    Power quality events (under-voltage / over-voltage / bad voltage quality, power failure, sag/swell and …)

    Security events (parameters changed, firmware upgraded and …)

    Standard events (clock adjusted, maximum demand exceeded and …)
     Firmware Upgrade    Firmware can be upgraded via local interface and WAN interface (OTA)
    Roll-back last version image support
     Tariff
    Up to 4 Tier, 4 Season, 4 Day-Type
    Up to 104 TOU schedule setting
    Up to 5 billing & 4 demand measures per TOU period
    Configurable DST, self-reading, demand reset
     WAN Communication
    Plug and Play module
    RPMA, Cellular (2G, 3G, 4G, NB-IoT), PLC, RF and Ethernet
    Protocol: ANSIC12.18, ANSIC12.19 and Modbus-RTU
     Security    Multi-level security password protection
    Hardware programming (optional)
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